Home / 19,009,999.20-28,514,998.80-6,230,920.80

Finding the Fourth Proportional to 19,009,999.20, 28,514,998.80 and 6,230,920.80

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Solution

The fourth proportional to 19,009,999.20, 28,514,998.80 and 6,230,920.80 is: 9,346,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,999.20 : 28,514,998.80 = 6,230,920.80 : x
  2. Step 2: Convert to fraction form
    19,009,999.20/28,514,998.80 = 6,230,920.80/x
  3. Step 3: Cross multiply
    19,009,999.20x = 28,514,998.80 × 6,230,920.80
  4. Step 4: Simplify right side
    19,009,999.20x = 177,674,699,134,895.03
  5. Step 5: Solve for x
    x = 177,674,699,134,895.03/19,009,999.20
  6. Step 6: Final answer
    x = 9,346,381.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.